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Screwdriver screwdriver Blue Black Massage handle screwdriver word cross screwdriver hardware tools 中文版

Screwdriver screwdriver Blue Black Massage handle screwdriver word cross screwdriver hardware tools

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Updated: 2021-03-09 16:26
About Product:A screwdriver is a used to twist the screws to force the positioning tool, there is usually a thin wedge head, inserting the screw nail head tank joint or notch -- Beijing and Tianjin Ji Lu Jin Henan and Shaanxi dialect called "screwdriver", Anhui, and Hubei, known as the "driver", in the central and western regions called "knife", the Yangtze River Delta region called "screwdriver". The main word (minus) and cross (plus two). Common six angle screwdriver, including the six angle and the six angle of the two.

EXW Price:

240pcs ~719pcs		CN ￥ 1.1 /pc
720pcs ~2399pcs		CN ￥ 1.05 /pc
Above 2400pcs		CN ￥ 0.95 /pc

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SAILHOPE HARDWARE TOOLS 13yr.
Main Products:	Wrenches,axes,hammers,screwdrivers,hex wrenches,pliers,bolt cutters,sleeve,a wire brush and a series of metal tools.
Contacts:	Lu MinghuiChat
Mobile:	86-13819957205
E-mail:	waycsu880603@163.com
WeChat:	luminghui1988
Address:	13996 , 11 Street, 2 F, 28 Gate, International Trade Mart (District 2).

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Description

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Screwdriver with blue and black massage handle

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1. The handle is insulated, high temperature resistant, oxidation resistant and strong. High friction, not easy to slip, longer service life.
2. The tool bar is made of high quality chromium-vanadium steel, with through-through batching rod, which has high hardness, high torsion force, all hard quenching and durable.
3. Hardness: 53-55 degrees, with a strong magnetic surface plated with two layers of chromium and one layer of nickel
4. The anti-rust performance is three times higher than that of ordinary screw batch
5. The special convex points designed by the handle can effectively prevent sliding, and the surface is made of special resin to prevent oil corrosion
6. Handle color can be changed according to customer requirements. The customer prints the customer's LOGO on the product.

I. technical principle

The screwdriver used a lever to pry the paint cover.The greater the distance from the power point to the fulcrum, the more energy it will save.

The screwdriver USES the working principle of the wheel shaft to screw the screw. The larger the wheel is, the less effort it will be, so it will be easier to use a thick screwdriver than a thin one.

Ii. Historical process

The cross screw and the cross screwdriver were invented by Henry Phillips in the 1930s. First used on the assembly line of the car. So cross screws and cross screwdrivers are also called philips screws and philips screwdrivers.

In order to give a exert little word screw torque, people thought of a slot in the screw head, with a corresponding one blade screwdriver can convenient tighten and loosen the screw, but with the rapid development of science and technology, the application of the screw is more and more widely, screws and the lack of a screwdriver is also presented. The first is that once a slot in the screw head is damaged, the screw cannot be screwed out. The longer the slot, the more likely it is to be damaged in the process of being screwed. In order to shorten the length of the slot, slot that are more resistant to damage ability, and can transfer torque of the same size, people think tank with a cross, can withstand the same torque, but a short half the length of the slot, the ability to resist damage is greatly strengthened. The screwdriver is originally a zigzag shape and cannot be used for a cross groove screw. Only another type of cross screwdriver is produced to correspond to the cross groove screw. There are two types of screwdrivers.

The screw for the slot has been in use since there was a machine. It is impossible to replace all the screws on the old machine. Cross screwdriver can not be used in a word slot, a word slot screw is still in production applications, so keep a word screwdriver. In this way, the new machine is mostly made of cross slot screws, and the old one is still in use, so there are two types of screwdrivers used at the same time.

3. Basic functions

When fixing a phone, you need to use a screwdriver to open the case. Most of the screws used are hexagon screws; Different mobile phones have different specifications, generally there are T5, T6, T7, T8 and so on. Some models also have special screws, which need special screwdrivers. In addition, you need to prepare a small word screwdriver, small plum flowers. When selecting this kind of tool, you should choose set A and B for approval, which includes almost all the open shell tools of mobile phones. When opening the case, choose the appropriate screwdriver according to the type and specification of the screws fixed on the case. If the selection is not appropriate, it is possible to screw the slot flat, resulting in the phenomenon of skidding.

Iv. Main types

1. Ordinary screwdriver

Is to build together the screwdriver handle, easy to prepare, take out as long as you can use, but because there are many kinds of different screw length and coarseness, sometimes need to prepare a lot of different screwdriver.
2. Combined screwdriver
The utility model relates to a screw batch that separates the screw batch head from the handle. To install different types of screws, it only needs to replace the screw batch head. The advantage is that it can save space, but it is easy to lose the screw batch.
3. Electric screwdriver
Electric screw batch, as the name implies, is to replace manual installation and removal of screws with electric motor, usually combined screw batch.

4. Clock starter

Belongs to the precision screwdriver, commonly used in the repair of hand - strap clocks, hence this name.

5. Small king kong screwdriver

The size of head handle and body length is smaller than commonly used screwdriver.

In terms of its structural shape, there are usually the following types:

Straight. This is the most common one. Head models have a word, cross, rice, T (plum blossom), H (hexagonal), etc

L shape. More commonly seen in hexagonal screwdriver, use its longer rod to increase torque, thereby saving more effort.

T shape. There are many applications in the auto repair industry.

Head type

Screwdriver head type classification:

Screwdriver according to different head shape can be divided into a word, cross, rice word, star (computer), square, hexagon head, etc., the head of Y type one word and the cross is the most commonly used in our life, such as installation, maintenance are used, can say as long as there is screw is used with a screwdriver. The hexagonal head is used sparingly and oftenHexagon wrenchFor example, many screws on some machines have hexagonal holes in them, which is convenient for multi-angle force. Big star to see also not much, little star is often used in repairing and mobile phones, hard disk, notebook, etc., we called the small screwdriver clocks and watches, commonly used star T6, T8, cross PH0, PH00 this class.

Head representation: one word SLOTTED

Cross PHILLIPS

M word POZI

Star TORX

SQUARE, SQUARE,

Hexagon HEXGONAL

5. Making materials

The screwdriver has no round head because the round head has no torque at all. One word is to make sure there is torque, and the cross allows the force to be more evenly distributed. According to the power source, there are manual screwdriver and electric screwdriver; The flat head and the phillips are divided according to the flat head or blade.

The top quality screwdriver head is made of high - hardness spring steel. A good screwdriver should be hard, not brittle, and tough. When the opening of the screw head becomes bald and slippery, you can tap the screwdriver with a hammer to remove the groove of the screw deeper, which is convenient to screw down, and the screwdriver should be intact. Screwdrivers are often used to pry things, requiring a degree of toughness that does not bend. Generally speaking, it is expected that the hardness of screwdriver head is greater than HRC60, and it is not easy to rust.

Vi: application method

Align the screwdriver's specially shaped end against the top hole of the screw, fix it, and start rotating the handle.

According to the specifications and standards,Clockwise rotation is inlay; If you rotate counterclockwise, you get a release. (in rare cases, the opposite is true)

Single screw batchCan be applied to cross screw. But the cross - screw has strong deformation resistance.

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